xref: /OK3568_Linux_fs/kernel/arch/ia64/include/uapi/asm/swab.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*4882a593Smuzhiyun #ifndef _ASM_IA64_SWAB_H
3*4882a593Smuzhiyun #define _ASM_IA64_SWAB_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /*
6*4882a593Smuzhiyun  * Modified 1998, 1999
7*4882a593Smuzhiyun  *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <linux/types.h>
11*4882a593Smuzhiyun #include <asm/intrinsics.h>
12*4882a593Smuzhiyun #include <linux/compiler.h>
13*4882a593Smuzhiyun 
__arch_swab64(__u64 x)14*4882a593Smuzhiyun static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	__u64 result;
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	result = ia64_mux1(x, ia64_mux1_rev);
19*4882a593Smuzhiyun 	return result;
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun #define __arch_swab64 __arch_swab64
22*4882a593Smuzhiyun 
__arch_swab32(__u32 x)23*4882a593Smuzhiyun static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	return __arch_swab64(x) >> 32;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun #define __arch_swab32 __arch_swab32
28*4882a593Smuzhiyun 
__arch_swab16(__u16 x)29*4882a593Smuzhiyun static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun 	return __arch_swab64(x) >> 48;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun #define __arch_swab16 __arch_swab16
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #endif /* _ASM_IA64_SWAB_H */
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